The Best value Choice for Small-Medium Space Featuring a brightness of 3000 ANSI lumens & a high contrast ratio of 13000:1, the cost-effective & eco-friendly MS521P offers a stunning full-screen presentation with the finest details regardless of the ambient light level. Power Saving, Eco Friendly World-Leading Smart Eco Technology for a Greener Environment As the first DLP brand to incorporate Philips' Image Care technology into its projector lamp system, Ben Q has taken a further leap, developing its own Smart Eco Technology to perfect what DLP can do for energy saving in the 21st century classroom. Built with this brand new invention, the MS521P brings together uncompromised brightness, exquisite picture quality & optimized lamp life through innovative features. Smart Eco Mode The Smart Eco Mode, which cleverly adjusts the lamp power to maximize power saving by delivering the best contrast & brightness performance using only as much light as needed. Lamp Save Mode Projector lamp replacement costs make up the biggest part of the total cost of projector ownership. The Lamp Save Mode is designed to adjust the lamp power dynamically by content brightness level to extend projector lamp life significantly by 50%! The lamp replacement frequency is also reduced by up to 50% to lower the replacement costs. No Source Detected Mode The automatic switch to Eco Blank Mode after the projector is turned on for over three minutes without a display source, eliminating unnecessary energy waste & prolonging the life of the projector lamp. 0.5W in Standby Mode When inactive, the MS521P keeps power consumption to a minimum with 0.5W standby power, achieving what was once a challenge for ealier projector models. This technological advancement in energy saving certainly helps extend the projector lamp life & lower energy costs. Blu-ray Full HD 3D Supported Ben Q MS521P is built with latest DLP technology to support 3D functionality, allowing schools to bring an immersive learning experience to their students with a simple preparation of 3D glasses & 3D content from your blu-ray player. Audio Pass Through With the built-in speaker, the MS521P can be used as an audio system when it's on the standby mode. This saves you the trouble as well as the extra budget for getting a separate audio system. Hassle-Free Projector Maintenance Upper Lamp Door for Easy Lamp Access The upper lamp door is designed for it managers to replace the projector lamp safely & quickly. should the projector lamp go out in the middle of the class, it can be replaced without delaying the class. Quick Installation By pressing Quick Intall key on the remote control, installer can quickly acces to installation related functions in the OSD menu.